A star has an apparent magnitude of 6 and an absolute magnitude of 3. How far is the star from Earth?

Q: 8) Star A has an apparent magnitude of 2.5 and star B has an apparent magnitude of 3.9. Calculate…

A: When studying stars astronomers use two different magnitudes, apparent and absolute magnitude.…

Q: What is the most common type of star?

A: There are different types of stars in our universe. They are mainly categorized based on their mass,…

Q: If star B is a 5th magnitude star and star C is 9th magnitude, what is their brightness ratio? Light…

A: Apparent magnitude of the star m is the measure of brightness of star from earth. Brightness is also…

Q: Calculate the mass of a star having a diameter of 6E5 km and an average density of 1.5 g/cm3.…

A: We have : Density = masscolumeVolume of star = 43x π x r3Diameter of star = 6 x 105kmRadius of star…

Q: How far away would the Sun need to be to be just visible to the naked eye (apparent magnitude =…

A: Solution: Given that apparent magnitude, m = 5.90 the absolute magnitude of the Sun, M = 4.83

Q: If parallax of a star is 0.22 arc-seconds and its apparent brightness is 50 x 10-6 W/m2 . What is…

A: Given: Apparent Brightness,b=50×10-6W/m2Parallax of star,p=0.22arc-secondsDistance to the…

Q: One of the closest stars to the sun has a parallax of 0.5 arcseconds. What is the distance to this…

A: Closest star to the sun has: Parallex=0.5 arcsecond We define distance 'd' to a star is reciprocal…

Q: What is the temperature of a star emitting light with a peak wavelength of  7,080 angstroms?  T=…

A: Given : λmax = 7080 angstroms = 7080*10-10 m. From Wien's law the temperature of star is  T =…

Q: Favorite Star Polaris is 132 pc from Earth and has an apparent magnitude of 2.5. What is its…

A: When the brightness of a star is measured there are two ways, Apparent and absolute magnitudes.…

Q: What star has the largest stellar parallax as measured from opposite ends of the Earth's orbit about…

A: Parallax is the apparent displacement of an object because of a change in the observer's opinion.…

Q: If a star has an apparent magnitude of 3.5 and an absolute magnitude of 5, how far away is it?

A:

Q: If a star's absolute magnitude value is significantly larger than its apparent magnitude value…

A: Absolute magnitude Mv: The magnitude that a star is expected to have if it were at a distance of 10…

Q: A star has an apparent magnitude of 10.0 and an absolute magnitude of 2.5. How far away is it?

A:

Q: is

A: The relationship between apparent visual magnitude(m), Absolute visual magnitude(Mv) and distance(d)…

Q: If a star has an apparent magnitude equal to its absolute magnitude, how far away is it in parsecs?

A: Given that :Apparent magnitudemp=Mv

Q: What is the luminosity of a star having three times the radius of the Sun and a surface temperature…

A: The luminosity of a star is a measure of the total amount of energy that is radiated by a star per…

Q: Star A has an apparent magnitude of –1.5 and is 12.6 light-years from Earth. Star B has an apparent…

A: Given: dA=12.6ly=3.863parsec, dB=15.6ly=4.783parsec, mvA=-1.5, mvB=0.4 The apparent magnitude of a…

Q: You observe a star with an apparent magnitude mv=12 at a distance of 1 kiloparsec.  What is this…

A: The relation between apparent magnitude, absolute magnitude, and distance of star in parsec is given…

Q: Stars A, B, C, D, and E have apparent magnitudes of 7, 3, -1, 15, and 0, respectively.   1) Which…

A: Here, Apparent Magnitude of Star  A=7 B=3 C=-1 D=15 E=0

Q: A star has a parallax angle of 0.0270 arcseconds and an apparent magnitude of 4.641. The distance to…

A: Given,  Parallax angle is 0.0270 arcseconds  apparent magnitude of 4.641 distance is 37.03 parsecs…

Q: Which of the following WOULD NOT characterizes the type(s) of star we would find at g, m, n, o, and…

A: The Hertzsprung-Russell (H-R) diagram is a graph that plots the luminosity (or absolute magnitude)…

Q: Given star A with apparent visual magnitude mv = 6.5, and star B with mv = 4.4, what is the flux…

A: Given, star A with apparent visual magnitude mA = 6.5, and star B with mB = 4.4, the flux ratio…

Q: Calculate the absolute magnitude of a star at a distance of 6 pc with an apparent magnitude of 3.

A: The apparent magnitude and absolute magnitude are two terms used to define the brightness of a star.…

Q: Star 1 and star 2 have the same V-magnitude, V = 7.5. However, they have different B-magnitudes, B1…

A:

Q: A star is observed to have a parallax of 0.0015".  What is the distance to the star in  units of AU?

A: The distance to the star can be calculated using the formula: distance (in parsecs) = 1 / parallax…

Q: You see a blue star directly over Avalon's equator. It appears to be moving north at 5.0 arcseconds…

A: Given: The star moves north at 5.0 arcseconds per year. To determine: The distance of this star from…

Q: How do you calculate the mass of a star?

A: To calculate mass of a single star is a difficult process however to calculate the mass of binary…

Q: Calculate the apparent magnitude of the Sun.

A: The apparent magnitude of a star is how bright the star is as observed from Earth.    Apparent…

Q: A star has a distance of 40 pc. What is the parallax of the star?

A: The distance of a star and its parallax are related as,   d=1/p, where, d= distance in parsecs, and…

Q: The main-sequence age of a star of 1M⊙ is about 1010 years. What is the main-sequence age of a star…

A: Answer the following question is

Q: A star has an apparent magnitude of 10 and an absolute magnitude of 2.5. How far is it?

A: